note 89049 added to language.operators.comparison
| From: | mathias at wewezer dot de | Date: | Thu, 19 Feb 2009 11:38:19 +0000 |
| Subject: | note 89049 added to language.operators.comparison | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-150849@lists.php.net to get a copy of this message | ||
$k = 0;
if( $k == "" )
{
echo $k . ' is a empty string';
}
else
{
echo $k . ' is <b>no</b> empty string';
}
Result: 0 is a empty string
$k = 0;
if( (string)$k == "" )
{
echo $k . ' is a empty string';
}
else
{
echo $k . ' is <b>no</b> empty string';
}
Result: 0 is <b>no</b> empty string
$k = 0;
if( $k === "" )
{
echo $k . ' is a empty string';
}
else
{
echo $k . ' is <b>no</b> empty string';
}
Result: 0 is <b>no</b> empty string
----
Server IP: 69.147.83.197
Probable Submitter: 62.206.99.226
----
Manual Page -- http://www.php.net/manual/en/language.operators.comparison.php
Edit -- https://master.php.net/note/edit/89049
Del: integrated -- https://master.php.net/note/delete/89049/integrated
Del: useless -- https://master.php.net/note/delete/89049/useless
Del: bad code -- https://master.php.net/note/delete/89049/bad+code
Del: spam -- https://master.php.net/note/delete/89049/spam
Del: non-english -- https://master.php.net/note/delete/89049/non-english
Del: in docs -- https://master.php.net/note/delete/89049/in+docs
Del: other reasons-- https://master.php.net/note/delete/89049
Reject -- https://master.php.net/note/reject/89049
Search -- https://master.php.net/manage/user-notes.php